C00A74WD/AWD Transfer Case Unit Actuator Position Sensor A
- Generic OBD-II code · Chassis
- Turns on the check-engine light
- Can trigger limp mode
- How the car detects it
- Position sensor A reports where the transfer case actuator, and thus the range or mode mechanism, currently stands. Magna patents a linear Hall sensor bolted from outside into the case, reading a stepped sector plate (four positions over about 60 degrees) or a plate on the range fork, with a duty-cycle output. Stellantis uses C00A7-13, circuit open: TSB 08-237-23 (2023 Ram 1500) and 08-239-23 (2023 Wagoneer models from a nine-day June 2023 build window, later superseded by 08-122-24) list it with C00A8-13 and other transfer case codes, an illuminated MIL and a 4WD Service light; the cause is a transfer case shift motor connector not fully seated, fixed by a push-pull-push check. Ford's SSM 52152 lists C00A7:11 and :13 on Explorer/Aviator, traced to a chafed harness at the actuator motor.
- What you may notice
- MIL on (Stellantis) or wrench indicator (Ford)
- 4WD Service light or 4WD Fault Service Required message
- 4WD modes cannot be selected
- Likely causes
- LikelyTransfer case shift motor connector not fully seated (Stellantis 2023)
- PossibleHarness chafed where it routes to the actuator motor (Ford)
- RarePosition sensor A in the actuator failed
- Repair
- Medium · Usually a job for a workshop.Typical cost: €40 – €900
- Related codes
Explanation from obdex (CC0), exactly as the app shows it. Guidance only; confirm with a workshop.